253315651013 has 2 divisors, whose sum is σ = 253315651014. Its totient is φ = 253315651012.

The previous prime is 253315650997. The next prime is 253315651031. The reversal of 253315651013 is 310156513352.

Together with next prime (253315651031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 151502328289 + 101813322724 = 389233^2 + 319082^2 .

It is a cyclic number.

It is not a de Polignac number, because 253315651013 - 2⁴ = 253315650997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253315651073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126657825506 + 126657825507.

It is an arithmetic number, because the mean of its divisors is an integer number (126657825507).

Almost surely, 2^253315651013 is an apocalyptic number.

It is an amenable number.

253315651013 is a deficient number, since it is larger than the sum of its proper divisors (1).

253315651013 is an equidigital number, since it uses as much as digits as its factorization.

253315651013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40500, while the sum is 35.

The spelling of 253315651013 in words is "two hundred fifty-three billion, three hundred fifteen million, six hundred fifty-one thousand, thirteen".